Restroom Calculator

Need an estimate for how many porta potties your event needs? Use this handy calculator! For a more specific quote tailored to your needs, call us today at 800-210-8407!

My event is estimated at attendees, for hours.
  • Will there be more women than men?
  • Will there be alcohol served?

Your Estimated Sanitation Services

Based on what you've told us, we've generated this estimate for your needs.

If you have more details or would like expert advice to make sure you get the best sanitation solution, please call us at 800.210.8407.

Estimated Standard Portable Restrooms Needed:0
Estimated Hand Wash Stations Needed:0
Estimated Enhanced Access Restrooms Needed:0

Looking for a custom quote on those items?


St. Louis Luxury Restroom Trailers

Rent with On Site Companies

Fully functioning restrooms with the convenience of mobility

Our St. Louis luxury restroom trailers have:

  • Running water stalls & sinks
  • Air conditioning
  • Electric lighting
  • Wheelchair accessibility available
  • Shower trailers available



Get in touch with us today for a free quote!

On Site Suite - Inside
Comfort Station Inside
On Site Suite - Sinks

Special events & event venues | Construction & remodeling | Parks & campgrounds | More!

Use our easy online quote builder!

A sales rep will follow up with a FREE quote.

Proudly a Family-Owned Business for 30+ Years

On Site has been my go to for the last eighteen years. They are always on time and give us professional service. I have given them a number of different sites to set up on over the years, and they always manage well. Really have no reason to go elsewhere. Great job On Site!

- Anthony Loyal On Site Client

St. Louis Luxury Restroom Trailers for Special Events

We have luxury restroom trailers for all of your sanitation needs during your special event. These “VIP porta potties” are sure to give your guests the comfort they deserve during your event. Our trailers feature beautiful interiors with wall art and mirrors. Air conditioning is available for those hot summer days. We have several different models available, ask us about wheelchair accessibility and showers trailers if you need them! Our mobile trailers are great for:

  • Weddings
  • Event venues
  • Campgrounds
  • And more!

St. Louis Luxury Restroom Trailers for Construction

We have OSHA compliant commercial restroom trailers for all of your job site’s needs. Our “porta potty trailers” are equipped to give your location all of the amenities of a standard restroom if you are left without one during the construction process. They feature running water sinks and toilets. Soap dispensers, towel dispensers, and trash receptacles are conveniently attached to cabinets to ensure maximum cleanliness. ADA compliant trailers with wheelchair accessibility are available too. Showers trailers are a great addition to any dirty job site! We have long-term rentals available for:

  • Commercial remodels
  • Residential construction
  • Industrial complexes
  • And more!